package chapter02;

import java.util.Scanner;

public class Example09 {
    public static void main(String[] args) {
        int grade = 75;
//        Scanner
        Scanner scl = new Scanner(System.in);
        grade = scl.nextInt();
        if (grade > 80){
            System.out.println("该成绩的等级为优");
        }else if (grade > 70){
            System.out.println("该成绩的等级为良");
        }else if (grade > 60) {
            System.out.println("该成绩的等级为中");
        }else {
            System.out.println("该成绩的等级为差");
        }
    }
}
